Robot arm



FIG. 1 is a front view of a robot arm showing our new design accordingto a first embodiment;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

CLAIM We claim the ornamental design for a robot arm, as shown anddescribed.